Data Exposure Vulnerability in Discourse by Discourse
CVE-2026-32620

5.3MEDIUM

Key Information:

Vendor

Discourse
Status
Discourse
Vendor
CVE Published:
31 March 2026

What is CVE-2026-32620?

An issue in Discourse platforms allowed non-staff users to unlawfully retrieve read receipt information related to staff-only posts. Although the content of these posts remained secure, users could see metadata indicating who accessed the post and when, potentially compromising user privacy. This issue affected specific versions of Discourse and has been resolved in the latest updates.

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Affected Version(s)

discourse >= 2026.1.0-latest, < 2026.1.3 < 2026.1.0-latest, 2026.1.3

discourse >= 2026.2.0-latest, < 2026.2.2 < 2026.2.0-latest, 2026.2.2

discourse >= 2026.3.0-latest, < 2026.3.0 < 2026.3.0-latest, 2026.3.0

References

https://github.com/discourse/discourse/security/advisorie...
x_refsource_CONFIRM
https://github.com/discourse/discourse/commit/bf8dbf6155a...
x_refsource_MISC

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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